CN212262135U

CN212262135U - Plastic catheter device for hystero-salpingography

Info

Publication number: CN212262135U
Application number: CN202021719769.6U
Authority: CN
Inventors: 马时及; 章建昌; 朱孙瑜; 霍岷
Original assignee: Shanghai Shangyi Kangge Medical Instruments Co ltd
Current assignee: Shanghai Shangyi Kangge Medical Instruments Co ltd
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2021-01-01
Anticipated expiration: 2030-08-18

Abstract

The utility model discloses a plastic type uterus oviduct radiography pipe device, wherein include the pipe body, the axle center of pipe body is equipped with logical liquid passageway, the one end of pipe body is connected with toper palace stopper, the other end attach fitting of pipe body, be equipped with at least one along length direction in the pipe wall of pipe body and decide the die cavity, wherein at least part it can make the moulding design thing of pipe body to decide to be equipped with in the die cavity. The utility model discloses plastic uterus oviduct radiography pipe device structural design is simple ingenious, can be safe, reliable, convenient treat palace chamber inflammation with ozone, and the pipe body can free deformation, the operation of being convenient for.

Description

Plastic catheter device for hystero-salpingography

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a plastic uterus oviduct radiography catheter device for uterus radiography and liquid-through ventilation treatment.

Background

Hysterosalpingography (HSG) examination is a common examination procedure in early modern gynecological examinations and it is usually possible to examine the cause and the location of the fallopian tube disease, and many women with infertility want to find out the cause of the disease.

The uterus oviduct radiography is that contrast agent is injected into a uterine cavity and an oviduct through a catheter, X-rays are used for fluoroscopy and radiography, and then the patency degree of the oviduct, the blocked part and the shape of the uterine cavity are analyzed according to the developing condition of the contrast agent in the oviduct and a pelvic cavity.

With the development of interventional technology, materials science and imaging in recent years, Selective Salpingography (SSG) and salpingography (FTR) have gradually replaced Hysterosalpingography (HSG) and become the common treatment modality.

In the operation process of selective oviduct radiography, an oviduct catheter enters a uterine cavity, and when radiography dredging and ozone treatment are carried out on the uterus and the oviduct, a contrast agent needs to be injected by means of an external sheath of the catheter, and the contrast agent is prevented from overflowing the uterus to influence the examination and treatment effects. As the cup cover type sheath tube needs to be provided with various models according to the size of the uterus of a patient, the cervix is tightly pressed by the cup mouth, and the mucosa is easily damaged, so that bleeding is caused.

Therefore, the present inventors have made an extensive study on how to design a plastic hysterosalpingography catheter device that can solve the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plastic uterus oviduct radiography pipe device, its structural design is simple ingenious, can be safe, reliable, convenient with ozone treatment palace chamber inflammation, and the pipe body can freely deform, the operation of being convenient for.

In order to achieve the above purpose, the technical solution of the utility model is that: the utility model provides a plastic type uterus oviduct radiography pipe device, includes the pipe body, the axle center of pipe body is equipped with logical liquid passageway, the one end of pipe body is connected with toper palace stopper, the other end attach fitting of pipe body, be equipped with at least one along length direction in the pipe wall of pipe body and decide the die cavity, wherein at least part it can make the moulding design thing of pipe body to decide the intracavity to be equipped with.

The utility model discloses plastic type uterus oviduct radiography pipe device, wherein decide the die cavity be with lead to passageway or open slot that the different axle centers of liquid passageway and interval set up, decide the cross sectional dimension of die cavity and be less than lead to the cross sectional dimension of liquid passageway.

The utility model discloses plastic uterus oviduct radiography pipe device, wherein the shaping thing is metal shaping wire or spring seal wire.

The utility model discloses plastic type uterus oviduct radiography pipe device, wherein the die cavity decide the die cavity be with the cross section of logical liquid passageway coaxial axis is annular passageway or open slot.

The utility model discloses plastic type uterus oviduct radiography pipe device, wherein the shaping thing is metal mesh or spring seal wire, metal mesh or spring seal wire insert in passageway or open slot.

The utility model discloses plastic type uterus oviduct radiography pipe device, wherein be located on the pipe body decide the die cavity with pipe wall material hardness between the logical liquid passageway is greater than decide the outer pipe wall material hardness of die cavity.

The utility model discloses plastic type uterus oviduct radiography pipe device, wherein the palace stopper is the circular arc cone, the both ends of palace stopper are smooth circular arc transition, the big head portion cross sectional shape of palace stopper is oval.

The utility model discloses plastic type uterus oviduct radiography pipe device, wherein the palace stopper is equipped with the cavity along the axial lead, the one end of pipe body with the cavity is sealed to be planted and is linked together.

The utility model discloses plastic type uterus oviduct radiography pipe device, wherein the cross section diameter of logical liquid passageway is more than or equal to 2.4mm, the length of pipe body is more than or equal to 210 mm.

The utility model discloses plastic uterus oviduct radiography pipe device, wherein pipe body, palace stopper and joint are made by medical macromolecular material.

After the technical scheme is adopted, the utility model discloses plastic uterus oviduct radiography pipe device has following beneficial effect:

1. the uterine plug connected with one end of the catheter body is designed into an arc cone, the catheter device is used for hysterography, so that the arc end of the uterine plug can be ensured to enter the cervical orifice, the damage to the cervical orifice is reduced, the contrast agent is prevented from overflowing from a gap of the cervical orifice, and the inflammation of uterine cavity can be safely, reliably and conveniently treated by ozone; the doctor does not need to spend energy on adjusting the angle of the catheter;

2. the cross section of the big end part of the uterine plug is designed to be oval, so that the uterine plug can be used for irregular cervical openings of patients with three symptoms of primary infertility, secondary infertility and abortion, and has wider application range and more humanization;

3. the uterine plug, the catheter body and the joint are made of medical high polymer materials, so that the uterine plug, the catheter body and the joint are designed in clinical use, cannot be oxidized by ozone or contrast agents, and are safer and more reliable to use;

4. the joint adopts 6: 100 luer connector, this connector tail end mountable check valve or three-way valve can prevent the liquid medicine adverse current better.

Drawings

FIG. 1 is a schematic view of the plastic hysterosalpingography catheter device according to the present invention;

FIG. 2 is a front view of the uterine cavity plug of the present invention;

FIG. 3 is a schematic cross-sectional view of a catheter body according to a first embodiment of the plastic hysterosalpingography catheter apparatus of the present invention;

FIG. 4 is a schematic cross-sectional view of a catheter body of a second embodiment of the plastic hysterosalpingography catheter device of the present invention;

FIG. 5 is a schematic cross-sectional view of a catheter body of a third embodiment of the plastic hysterosalpingography catheter device of the present invention;

FIG. 6 is a mesh sheet structure diagram of a third embodiment of the plastic hysterosalpingography catheter device of the present invention;

fig. 7 is a reference diagram of a third embodiment of the plastic hysterosalpingography catheter apparatus according to the present invention in a use state.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

As shown in figure 1, the plastic catheter device for hysterosalpingography of the utility model comprises a catheter body 1, wherein the catheter body 1 is made of medical polymer material. Referring to fig. 3, the axis of the catheter body 1 is provided with a liquid passage 2, the cross section of the liquid passage 2 is circular, one end (i.e. the right end in the figure) of the catheter body 1 is connected with a tapered uterine plug 3, and the uterine plug 3 is made of medical polymer material. Referring to fig. 2, the uterine plug 3 is a circular cone, both ends of the uterine plug 3 are smooth circular transition, and the cross section of the big head of the uterine plug 3 is oval. The uterine plug 3 is provided with a cavity 4 along the axial lead, and the right end of the catheter body 1 is hermetically inserted with the cavity 4 through a sealing ring. The left end of the catheter body 1 is connected with a joint which is made of medical polymer materials. The joint of the embodiment adopts 6: 100, the tail end of the luer connector 5 is used for connecting with a one-way valve or a three-way valve.

At least one fixed cavity is arranged in the pipe wall of the catheter body 1 along the length direction, wherein at least part of the fixed cavity is internally provided with a fixed object which can shape the catheter body. Referring to fig. 3, the number of the fixed cavity is one, the fixed cavity is a channel or an open slot which is not coaxial with the liquid passage 2 and is arranged at an interval, and the fixed cavity is a channel 6. The cross-sectional dimension of the channel 6 is smaller than the cross-sectional dimension of the through-flow channel 2. The cross sections of the liquid through

channels

2 and 6 are circular, the cross section diameter of the liquid through channel 2 is larger than or equal to 2.4mm, and the length of the catheter body 1 is larger than or equal to 210 mm.

The channel 6 is provided with a shaped object which is a metal shaped wire 7.

As shown in fig. 4, a schematic sectional view of a catheter body according to the second embodiment of the plastic hysterosalpingography catheter apparatus of the present invention is provided, most of the structure of the second embodiment of the present invention is the same as the structure of the first embodiment of the catheter apparatus shown in fig. 1 to 3, and the same parts are not repeated and the difference is: the fixed cavity of the embodiment is an open groove 8 which is coaxial with the liquid passage 2 and has an annular cross section, the fixed object is a spring guide wire 9, and the spring guide wire 9 is inserted into the open groove 8.

As shown in fig. 5, for the schematic sectional structure of the catheter body in the third embodiment of the plastic hysterosalpingography catheter apparatus of the present invention, most of the structure in this embodiment is the same as the second structure of the catheter apparatus shown in fig. 4, the same parts are not repeated, and the difference is: the design chamber of this embodiment sets up to two, and two design chamber are for leading to the cross section of liquid passageway 2 coaxial axle center for annular first open slot 10 and second open slot, and first open slot 10 is close to logical liquid passageway 2, and logical liquid passageway 2 is kept away from to the second open slot, and the second open slot is located the outside region of first open slot 10, wherein does not set up the design thing in the first open slot 10, and is provided with the design thing in the second open slot, and it is shown with reference to figure 6 that this design thing is tube-shape net piece 11, and this net piece 11 buries in the second open slot, and just is whole with the second open slot.

The first opening groove 10 is arranged to play a role in buffering, when the outer wall of the catheter body 1 is deformed too much, such as being extruded, and the outer wall is deformed into an ellipse, the deformation of the catheter body 1 can be relieved by the first opening groove 10.

The hardness of the pipe wall material between the first open groove 10 and the liquid passing channel 2 on the catheter body 1 is greater than that of the catheter body wall material outside the first open groove. The space between the outer pipe wall and the inner pipe wall of the first open groove 10 gives a certain amount of cushioning to the inner pipe wall to keep the inner diameter of the inner pipe wall from being deformed excessively.

When the uterine neck device is used, the uterine plug 3 connected with one end of the catheter body 1 is designed into an arc cone, the catheter device is used for hysterography, the arc end of the uterine plug 3 can be ensured to enter the cervical orifice so as to reduce the damage to the cervical orifice, the contrast agent is prevented from overflowing from the gap of the cervical orifice, and the inflammation of uterine cavity can be safely, reliably and conveniently treated by ozone, in addition, at least one fixed cavity is arranged on the catheter body 1, and at least part of the fixed cavity is internally provided with a shaped object, as shown in a reference figure 7, the arrangement can ensure that the catheter body 1 can be freely deformed, straightened and bent, and is convenient to operate, and the plastic catheter body 1 ensures that the uterine plug 3 cannot generate deviation when being propped against the cervical orifice due to the height difference between the private part of a patient and a catheter bracket; the angle of the catheter body 1 can be adjusted without the need of the doctor to spend energy; the cross section of the big end part of the uterine plug 3 is designed to be oval, so that the uterine plug can be used for irregular cervical openings of patients with three symptoms of primary infertility, secondary infertility and abortion, and has wider application range and more humanization; the uterine plug 3, the catheter body 1 and the joint 5 are made of medical polymer materials, so that the uterine plug is not oxidized by ozone or contrast agents in clinical use, and the uterine plug is safer and more reliable to use; the joint 5 adopts a 6: 100 luer connector, the tail end of the connector 5 can be provided with a one-way valve or a three-way valve, so that the backflow of the liquid medicine can be better prevented.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.

Claims

1. The utility model provides a plastic type uterus oviduct radiography pipe device, its characterized in that, includes the pipe body, the axle center of pipe body is equipped with logical liquid passageway, the one end of pipe body is connected with toper palace stopper, the other end attach fitting of pipe body, be equipped with at least one along length direction in the pipe wall of pipe body and decide the die cavity, wherein at least part it can make the moulding design thing of pipe body to decide the intracavity to be equipped with.

2. The moldable hysterosalpingography catheter device of claim 1, wherein the molding cavity is a channel or an open slot which is not coaxial with and spaced apart from the fluid passage channel, and the cross-sectional dimension of the molding cavity is smaller than the cross-sectional dimension of the fluid passage channel.

3. The moldable uterotubal imaging catheter device of claim 2, wherein the mold is a metal sizing wire or a spring guide wire.

4. The moldable hysterosalpingography catheter device of claim 1, wherein said molding cavity is a channel or an open channel having a cross-section coaxial with said fluid passage channel that is annular.

5. The moldable uterotubal imaging catheter device of claim 4, wherein said mold is a metal mesh or spring wire that is inserted into said channel or open slot.

6. The moldable hysterosalpingography catheter device of claim 4, wherein a wall of the catheter body between the fixed cavity and the fluid passage has a material hardness greater than an outer wall of the fixed cavity.

7. The moldable hysterosalpingography catheter device of claim 1, wherein the uterine plug is a circular cone, both ends of the uterine plug are smooth circular transition, and the cross-sectional shape of the large end of the uterine plug is an ellipse.

8. The moldable hysterosalpingography catheter device of claim 7, wherein the uterine plug is provided with a cavity along an axial line, and one end of the catheter body is connected with the cavity in a sealing insertion manner.

9. The moldable uterotubal imaging catheter device of claim 1, wherein the cross-sectional diameter of the fluid passage is greater than or equal to 2.4mm and the length of the catheter body is greater than or equal to 210 mm.

10. The moldable hysterosalpingography catheter device of claim 1, wherein the catheter body, the uterine plug, and the connector are made of a medical polymer material.